有人发现他们在车间切削金属。
切削金属时，工人们是非常谨慎的。
我们看见许多工人在切削金属。
这种机床的重要用途之一是切削金属。
One of the important USES of this machine tool is cutting metal.
机床是用于切削金属的机器。
这台机床是供切削金属用的。
机床是机器用来切削金属。
在车间切削金属的那位学生工作很努力。
切削金属前，你必须仔细地把机器清理干净。
Before cutting metal you should carefully clean the machine.
切削金属时，可以看到光亮的表面，但立刻就变成灰色。
When metals are cut, the shining surface is visible, but it turns grey almost immediately.
专用刀具的设计使三坐标数控倾斜切削金属薄板得以实现。
The design of the special cutter makes three coordinate numerical control slope cutting metal sheets be realized.
一个车床是一种机床切削金属的外貌之间的一个圆的事变系两个车床顶心和围绕它的轴转动。
A lathe is a machine tool for cutting metal from the surface of a round work fastened between the two lathe centers and turning around its axis.
这些事实说明了金属切削在常规制造中的重要性。
These facts show the importance of metal cutting in general manufacturing.
正确的选择切削速度对所有金属的切割操作成本都有有很大的影响。
The selection of the correct cutting speed has an important bearing on the economics of all metal cutting operations.
这种金属容易切削。
企业的经营范围是黑色和有色金属的切削加工和销售。
Enterprises operating range is the cutting of black and non-ferrous metals processing and marketing.
如同后面将要看到的那样，金属切削力学极大地依赖于所产生切屑的形状和尺寸。
As would be seen later, the mechanics of metal cutting are greatly dependent on the shape and size of the chips produced.
金属切削过程是一个很复杂的过程。图7.2用图的形式显示了基本材料去除作业。
Metal cutting process is a very complex process. Fig. 7.2 shows the basic material removal operation schematically.
在了解金属切削过程并运用这些知识帮助改善与金属切削有关的制造作业方面已经做了许多努力。
A number of attempts have been made in understanding the metal cutting process and using this knowledge to help improve manufacturing operations which involved metal cutting.
选择正确的切削速度对所有金属的切削操作有着重要的经济上的影响。
The selection of the correct cutting speed has an important bearing on the economics of all metal cutting operations.
为了要把加工的零件切削成所要求的形状与尺寸，金属切削刀具就要从工件上切除切屑。
The metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size .
金属切削技术是利用各种不同的加工方法去除工件材料，获得最终所需的几何形状。
In metal cutting, tools and workparts must have certain relative movements during processing in order to achieve geometry needed. The movements include main movement and feed movement.
因此了解金属切削过程以充分利用它是重要的。
It is therefore important to understand the metal cutting process in order to make the best use of it.
去除热损伤的方法是仔细切削本体金属，然后，再做一次回火刻蚀检查，确保切削工作没有产生进一步的热损伤。
Heat damage generally is removed by carefully machining the base metal. Afterward, another temper etch inspection is done to ensure that the machining did not create more heat damage.
在铣刀切削工件金属时，铣刀的每条切削刃都象一单独的单刃刀具一样作用。
Each of the cutting edges of a milling cutter ACTS as an individual single-point cutter when it engages with the workpiece metal.
对金属切削有重要影响的条件有工件材料、刀具材料、刀具几何形状、切削速度、进给率、切削深度和所用的切削液。
The conditions which have an important influence on metal cutting are work material, cutting tool material, cutting tool geometry, cutting speed, feed rate, depth of cut and cutting fluid used.
剪切角的研究是金属切削理论中的一个基本问题。
Shear Angle research is one of the basic problems in metal cutting theory.
在金属切削中对切屑的研究是最重要的事情之一。
Study of chips is one of the most important things in metal cutting.
在金属切削中对切屑的研究是最重要的事情之一。
Study of chips is one of the most important things in metal cutting.
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